2FA is an additional layer of protection to identify the authorized user. MYNIC 2FA is an implemented on the DNS modifications of .my domain names where you are required to enter the TAC number before submitting the name server modification, which acts as a 2nd level of authentication.

The introduction of 2FA is part of MYNIC ongoing efforts to ensure the customers have a peace of mind in managing the DNS. By providing an additional level of protection, are vastly improved the security of DNS and confidentiality of the customer.

An e-mail notification will be sent to the registered e-mail address (as registered in MYNIC database) when the mobile number is successfully registered. Registered information is appeared in "Mobile No. Management" menu.

This option is applicable if you have registered multiple mobile numbers.

You may change the default mobile number to another mobile number. The TAC will be sent to the selected mobile number to confirm on the changes.

Steps to change the default mobile number:
a. Login to MYNIC Domain Management System.
b. Under "Domain Name", click on the link "Mobile No. Management" and the page will appear as below:

c. Select the non-default mobile number. Tick the default box and click button 'Update'.
d. A SMS TAC will be sent to the selected mobile number for confirmation. The default value will be changed to the selected mobile number once the request is completed.

All TAC numbers from MYNIC should be delivered from a short code number 62000. In the case of service interruption on any of the Telco, the service will be routed from short code to International Gateway long code. If you are roaming overseas or using a foreign number, long code under International Gateway will be used.